Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N491WN - Boeing 737NG 7H4/W - Southwest Airlines SWA8504/WN8504, Dallas Love Field (DAL) to Chicago Midway (MDW) - 4.7 mi away @ 40950 ft, heading NE at 545 mph. Spotted 70x before. [06:26:21 AM CST] #A615D0 #N491WN #B737 #SOUTHWEST #SWA8504 #WN8504 #ADSB #ADSBbot

Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N8945Q - BOEING 737-8 - SOUTHWEST AIRLINES CO SWA8504/WN8504, St Louis Lambert (STL) to Kansas City (MCI) - 3.6 mi away @ 3000 ft, heading NNE at 274 mph. Spotted for first time! [01:01:43 PM CDT] #AC5746 #N8945Q #B38M #SWA8504 #WN8504 #Landing #Departure #ADSB #ADSBbot